package com.codemonkey.lq.common.util;

import java.math.BigDecimal;

/**
 * From  <br>
 *  1.  http://blog.csdn.net/billfranck/article/details/4470898   -- 关于把小写数字转化为大写数字的java代码  <br>
 *  2.  http://www.cnblogs.com/hongten/p/hongten_java_money.html  -- java开发_数字转换汉语中人民币的大写_完整版 <br>
 * @author LQ
 *
 */
public class ChineseHelper2 {  
  /** 定义数组存放数字对应的大写 */  
  private final static String[] STR_NUMBER = { "零", "壹", "贰", "叁", "肆", "伍", "陆", "柒", "捌", "玖" };  
  
  /** 定义数组存放位数的大写 */  
  private final static String[] STR_MODIFY = { "", "拾", "佰", "仟", "万", "拾", "佰", "仟", "亿", "拾", "佰", "仟" };  
  
  /** 
   * 转化整数部分 
   *  
   * @param tempString 
   * @return 返回整数部分 
   */  
  private static String getInteger(String tempString) {  
    /** 用来保存整数部分数字串 */  
    String strInteger = null;//    
    /** 记录"."所在位置 */  
    int intDotPos = tempString.indexOf(".");  
    int intSignPos = tempString.indexOf("-");  
    if (intDotPos == -1)  
      intDotPos = tempString.length();  
    /** 取出整数部分 */  
    strInteger = tempString.substring(intSignPos + 1, intDotPos);  
    strInteger = new StringBuffer(strInteger).reverse().toString();  
    StringBuffer sbResult = new StringBuffer();  
    for (int i = 0; i < strInteger.length(); i++) {  
      sbResult.append(STR_MODIFY[i]);  
      sbResult.append(STR_NUMBER[strInteger.charAt(i) - 48]);  
    }  
      
    sbResult = sbResult.reverse();  
    replace(sbResult, "零拾", "零");  
    replace(sbResult, "零佰", "零");  
    replace(sbResult, "零仟", "零");  
    replace(sbResult, "零万", "万");  
    replace(sbResult, "零亿", "亿");  
    replace(sbResult, "零零", "零");  
    replace(sbResult, "零零零", "零");  
    /** 这两句不能颠倒顺序 */  
    replace(sbResult, "零零零零万", "");  
    replace(sbResult, "零零零零", "");  
    /** 这样读起来更习惯. */  
    replace(sbResult, "壹拾亿", "拾亿");  
    replace(sbResult, "壹拾万", "拾万");  
    /** 删除个位上的零 */  
    if (sbResult.charAt(sbResult.length() - 1) == '零' && sbResult.length() != 1)  
      sbResult.deleteCharAt(sbResult.length() - 1);  
    if (strInteger.length() == 2) {  
      replace(sbResult, "壹拾", "拾");  
    }  
    /** 将结果反转回来. */  
    return sbResult.toString();  
  }  
  
  /** 
   * 转化小数部分 例：输入22.34返回叁肆 
   *  
   * @param tempString 
   * @return 
   */  
  private static String getFraction(String tempString) {  
    String strFraction = null;  
    int intDotPos = tempString.indexOf(".");  
    /** 没有点说明没有小数，直接返回 */  
    if (intDotPos == -1)  
      return "";  
    strFraction = tempString.substring(intDotPos + 1);  
    StringBuffer sbResult = new StringBuffer(strFraction.length());  
    for (int i = 0; i < strFraction.length(); i++) {  
      sbResult.append(STR_NUMBER[strFraction.charAt(i) - 48]);  
    }  
    return sbResult.toString();  
  }  
  
  /** 
   * 判断传入的字符串中是否有.如果有则返回点 
   *  
   * @param tempString 
   * @return 
   */  
  private static String getDot(String tempString) {  
    return tempString.indexOf(".") != -1 ? "点" : "";  
  }  
  
  /** 
   * 判断传入的字符串中是否有-如果有则返回负 
   *  
   * @param tempString 
   * @return 
   */  
  private static String getSign(String tempString) {  
    return tempString.indexOf("-") != -1 ? "负" : "";  
  }  
  
  /** 
   * 将一个数字转化为金额 
   *  
   * @param tempNumber 传入一个double的变量 
   * @return 返一个转换好的字符串 
   */  
  public static String numberToChinese(double tempNumber) {  
    java.text.DecimalFormat df = new java.text.DecimalFormat("#.#########");  
    String pTemp = String.valueOf(df.format(tempNumber));  
    StringBuffer sbResult = new StringBuffer(getSign(pTemp) + getInteger(pTemp) + getDot(pTemp) + getFraction(pTemp));  
    return sbResult.toString();  
  }  
  
  public static String numberToChinese(BigDecimal tempNumber) {  
    return numberToChinese(tempNumber.doubleValue());  
  }  
  
  /** 
   * 替代字符 
   *  
   * @param pValue 
   * @param pSource 
   * @param pDest 
   */  
  private static void replace(StringBuffer pValue, String pSource, String pDest) {  
    if (pValue == null || pSource == null || pDest == null)  
      return;  
    /** 记录pSource在pValue中的位置 */  
    int intPos = 0;  
    do {  
      intPos = pValue.toString().indexOf(pSource);  
      /** 没有找到pSource */  
      if (intPos == -1)  
        break;  
      pValue.delete(intPos, intPos + pSource.length());  
      pValue.insert(intPos, pDest);  
    } while (true);  
  }  
  
  /** 
   * @param args 
   */  
  public static void main(String[] args) {  
    System.out.println(numberToChinese(1230400567.8934));  
  }  
}  